Add a file with commonly used Maven commands for reference

Author: gresrun

commands.md

@@ -0,0 +1,24 @@
+# Maven Commands
+
+## Building & Testing
+* `mvn clean com.spotify.fmt:fmt-maven-plugin:format install`
+
+## Version Bumps
+* `mvn versions:display-dependency-updates`
+* `mvn versions:display-plugin-updates`
+
+## Cutting a Release
+* `mvn release:prepare`
+* `mvn release:perform`
+
+https://central.sonatype.com/publishing/deployments
+
+### If `release:perform` fails:
+* `mvn release:rollback`
+* `git fetch origin`
+
+## Updating Github Pages
+* `git switch --detach jesque-${LATEST}`
+* `mvn clean site site:stage`
+* `mvn scm-publish:publish-scm`
+* `git switch -`